08/04/2020
The PNAS (Proceedings of The National Academy of Sciences of the United States of America) database is available for trial access until 31 May 2020.
PNAS database; includes biological, physical and social sciences.
PNAS publishes research reports, comments, criticisms, perspectives, conference articles and activities in the academic field.
Off-campus access link : http://elibrary.istinye.edu.tr